Complex ion is shown by
$Ag$
$Au$
$Cu$
All of these
The fusion of chromite ore with sodium carbonate in the presence of air leads to the formation of products $\mathrm{A}$ and $\mathrm{B}$ along with the evolution of $\mathrm{CO}_2$. The sum of spin-only magnetic moment values of $A$ and $B$ is .......... $B.M.$ (Nearest integer)
(Given atomic number: $\mathrm{C}: 6, \mathrm{Na}: 11, \mathrm{O}: 8$, $\mathrm{Fe}: 26, \mathrm{Cr}: 24 \mathrm{~J}$
Which of the following has maximum first ionisation energy ?
Explain why $Cu ^{+}$ ion is not stable in aqueous solutions?
The atomic radius of $Ag$ is closest to
The correct formula of permanganic acid is